is the difference in years at the company between employees with a high school degree and those with an mba significant at the 95% confidence level? remember, differences are significant at the 95% confidence level when the p-value is less than .05.

Answers

Answer 1

To determine if the difference in years at the company between employees with a high school degree and those with an MBA is significant at the 95% confidence level, we can perform a hypothesis test for p-value.

We can run a hypothesis test to see if the difference in years spent at the organization between workers with a high school diploma and those with an MBA is significant at the 95% confidence level.

We must first specify our alternative hypothesis and null hypothesis. Our null hypothesis is that there is no discernible difference in the number of years that personnel with a high school diploma and those with an MBA have worked for the organization. Our alternate theory is that the two groups have significantly different average years of employment.

The probability of witnessing the data if the null hypothesis is correct can then be determined using a t-test. The null hypothesis can be rejected if the p-value is less than 0.05, and the difference in years spent at the company between workers with a high school diploma and those with an MBA is determined to be significant at the 95% level of confidence.

We can use a two-sample t-test to compare the means of the two groups if the data is normally distributed and the variances are identical.

If the t-test yields a p-value of less than 0.05, we can reject the null hypothesis and draw the conclusion that there is a significant difference in the number of years that employees with a high school diploma and those with an MBA have worked for the organisation. In contrast, if the p-value is higher than 0.05, we are unable to rule out the null hypothesis since there is insufficient data to support the existence of a significant difference.

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Related Questions

The area of a rectangular painting is 4816 cm². If the length of the painting is 86 centimeters, what is its width?

Answers

Answer:

Step-by-step explxmzxmzanation:

Leon has already run 1 mile on his own, and he expects to run 3 miles during each track practice. Write an equation that shows the relationship between the practices p and the distance d.

Answers

Answer:

d = 1 + 3p  

Step-by-step explanation:

Leon already ran 1 miles on his own and he is expected to cover a distance d of 3 miles during each practice. The number of practices is expressed as p and the distance covered is expressed as d.

For every track practice he is expected to cover a distance of 3 miles. Recall he has already cover 1 mile on his own.

Therefore, the relationship between the practices p and the distance d can be expressed as follows.

number of track practice = p

distance covered = d

The distance covered  d in miles is 1 miles plus the number of track practice p multiply by 3

d = 1 + 3p  

I NEED to answer this correctly. Can I get some help?​

I NEED to answer this correctly. Can I get some help?

Answers

Answer:

C., F.

Step-by-step explanation:

Vertices in the same position are congruent angles.

There are 3 pairs of congruent angles:

<T, <W

<U, <X

<V, <Y

There are 3 pairs of congruent sides:

TU, WX

UV, XY

TV, WY

Now pick the correct statements from the list:

C., F.

Need this ASAP PLEASEE

Need this ASAP PLEASEE

Answers

Answer: The product of (abc) is (-2/3)(1/3)(-1) = 2/9.

Measure the length of a pencil in inches.

Answers

a standard wooden pencil typically measures around 7 inches to 7.5 inches in length.

The average length of a pencil can vary depending on factors such as the type of pencil, region, and manufacturer. However, a standard wooden pencil typically measures around 7 inches to 7.5 inches in length. This range encompasses the most common lengths found in the market.

It's important to note that there may be slight variations in length between different pencil brands and styles. Additionally, specialty or novelty pencils may have different lengths based on their design or intended purpose.

To obtain a more accurate average length for a specific set of pencils or a particular region, you would need to measure a representative sample of pencils and calculate the average length based on the measurements obtained.

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Advanced Mathematical Decision Making......



Segment MB is approximately ___



Segment MA is approximately ___



The radius of the Earth is approximately _____

Answers

The given information lacks specific values for the lengths of segments MB and MA, as well as the radius of the Earth. Without numerical values, it is not possible to determine the exact lengths of these segments or the radius of the Earth.

The problem states that segments MB and MA, as well as the radius of the Earth, need to be approximated. However, without specific values or additional information, it is not possible to determine the lengths of segments MB and MA or the radius of the Earth accurately.
To calculate the lengths of segments MB and MA, we would need the coordinates of the points M, B, and A or additional information about their positioning or relationships.
Similarly, the radius of the Earth can vary depending on the reference frame or the method of approximation used. The Earth's radius can be approximated using different measurements, such as the equatorial radius or the mean radius. Each approximation yields a slightly different value.
Therefore, without specific numerical values or additional information, it is not possible to determine the approximate lengths of segments MB and MA or the radius of the Earth.

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kelsey charges 4.50 per hour for babysitting. If she works for 8 hours on Saturday and 6 hours on Sunday, how much does she earn

Answers

ANSWER: $63

Saturday:
4.50 x 8 = 36
Sunday:
4.50 x 6 = 27

36 + 27 = 63

for a game of chance, there is a 20% chance of winning $60, a 20% chance of winning $100, a 30% chance of breaking even. what is the overall expected outcome for this game?

Answers

The overall expected outcome for this game is $32.

Therefore the answer is $32.

The expected outcome for a game of chance can be calculated by multiplying the payoffs for each outcome by the probability of each outcome, and then summing these products.

For this game, the expected outcome would be calculated as follows:

Expected outcome

= (0.20 * $60) + (0.20 * $100) + (0.30 * $0)

= $12 + $20 + $0

= $32

So the overall expected outcome for this game is $32. This means that, on average, if you were to play this game many times, you could expect to win $32 each time. It's worth noting that expected outcome is just an average and does not guarantee a win, as the outcomes of each game are uncertain.

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Meagan needs to paint the outside of a box
for an art project. The box is 18 cm by
5 cm by 2 cm. What surface area does she
need to paint?

Answers

Surface area of cubic= 2( lb+bh+hl)

Length= 18 cm

Width= 5 cm

Height= 2cm

\(s.a = 2(18 \times 5 + 5 \times 2 + 2 \times 18) \\ = 272 \: cm {}^{2} \)

Please help find the area ASAP

Please help find the area ASAP

Answers

Answer:

area = 2x² + 6x

Step-by-step explanation:

The area (A) of a rectangle is calculated as

A = length × width

   = 2x(x + 3) ← distribute parenthesis by 2x

    = 2x² + 6x

what type of military equipment have the u.s. and germany been in the news for sending as aid to ukraine?A. CentiB. MiliC. MikroD. Nano

Answers

Germany and the US are sending tanks to Ukraine as a show of support for the government in Kyiv, with Germany sending 14 Leopard 2 tanks & the US delivering 31 Abrams in the coming months.

The rationale behind this military aid is to demonstrate solidarity with Ukraine in its ongoing conflict with Russia & to bolster its military capabilities in the face of aggression. This move is seen as a signal to Russia that the international community will not tolerate further military incursions into Ukrainian territory and is committed to supporting Ukraine's sovereignty & territorial integrity. It is also hoped that this aid will help stabilize the situation in Ukraine and bring about a peaceful resolution to the conflict.

Centi, mili, micro and nano are not types of military equipment. Centi, mili, micro and nano are units of measurement used in the metric system.

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On a certain standardized test, each correct answer is worth 1 point, each incorrect answer is worth 4 1 - point, and each blank answer is worth 0 points. The final score is obtained by multiplying the point score by 10 and rounding to the nearest 10 points. If a student answered all 50 questions and received a score of 450, what was the difference between the number of correct and incorrect answers

Answers

The difference between the number of correct and incorrect answers is 34.

To find the difference between the number of correct and incorrect answers, we first need to determine the number of correct answers. We know that the point score is obtained by dividing the final score by 10. In this case, the point score is 45. Since each correct answer is worth 1 point, the number of correct answers is equal to the point score. Therefore, the student answered 45 questions correctly.  

Next, we need to find the number of incorrect answers. Each incorrect answer is worth 4 1-point, so we divide the point score by 4. In this case, 45/4 equals 11.25.

Rounding to the nearest whole number, we get 11. Therefore, the student answered 11 questions incorrectly.  

Finally, we calculate the difference between the number of correct and incorrect answers by subtracting the number of incorrect answers from the number of correct answers: 45 - 11 = 34.

Thus, the difference between the number of correct and incorrect answers is 34.

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since it first opened, silver screen cinemas has sold 2.1×105 large sodas and 3.5×105 small sodas. the large sodas are 30 ounces, and the small sodas are 16 ounces. how much soda has silver screen cinemas sold in all?

Answers

Silver Screen Cinemas has sold a total of 11.9×10^6 ounces of soda.

To find the total amount of soda sold by Silver Screen Cinemas, we need to calculate the sum of the large sodas and the small sodas.

The number of large sodas sold is given as 2.1×10^5, and each large soda has a volume of 30 ounces. Therefore, the total volume of the large sodas is calculated by multiplying the number of large sodas by the volume of each soda: 2.1×10^5 × 30 = 6.3×10^6 ounces.

Similarly, the number of small sodas sold is given as 3.5×10^5, and each small soda has a volume of 16 ounces. So, the total volume of the small sodas is calculated by multiplying the number of small sodas by the volume of each soda: 3.5×10^5 × 16 = 5.6×10^6 ounces.

To find the total amount of soda sold, we add the total volume of the large sodas to the total volume of the small sodas: 6.3×10^6 + 5.6×10^6 = 11.9×10^6 ounces.

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Seven men have seven wives each man and wife have seven children what are the number of people?

Answers

Answer:

21 people

Step-by-step explanation:

given data

men = 7

wife = 7

children = 7

solution

As given each man and each wife means a couple

and they have 7 children

so

a total of 7 couples has had 1 child each

This makes it 7 Men + 7Wives + 7 Children = 21 People  

Therefore

here total people is 7 Men have 7 Wives Riddle is 21 People

Olives garden is only 10 yd and the watermelon plants she wants to grown requir 2.5yd each how many watermelon plants can she grows

Answers

Answer:

4

Step-by-step explanation:

10÷2.5

Answer:

4 plants

Step-by-step explanation:

She can grow 4 plants because 10/2.5 is equal to 4. So, the answer is 4 plants.

can anyone help with integers?

Fill in the blanks.

6) 83 + 17 = 17 +

7) |46| – |50| =

8) 42 – 2 + (18 – 10) =

9) 18 – (3 – 1) =

10) 8 - 0 =

Answers

Answer:

a) 83,b) -4,c) 48,d) 16,e) 8

2^5 - x = 1/16/Solve for x

Answers

The value of x is -0.03125 or - 1/32.

Solving equations involves finding the value of the unknown variables in the given equation. The condition that the two expressions are equal is satisfied by the value of the variable. Solving a linear equation in one variable results in a unique solution, solving a linear equation involving two variables gives two results.

Solving equations is computing the value of the unknown variable still balancing the equation on both sides. An equation is a condition on a variable such that two expressions in the variable have equal value.

\(2^{-5} - x = \frac{1}{16}\)

\(x =2^{-5} - \frac{1}{16}\)

\(x = \frac{1}{2^{5} } - \frac{1}{16}\)

\(x = \frac{1}{32} } - \frac{1}{16}\)

x = (16 - 32) / (16 x 32)

x =  -16 / 512

x = -0.03125

0r

x = \(-\frac{1}{32}\)

Therefore, the value of x is -0.03125 or - 1/32.

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Find the Maclaurin polynomials of orders n=0,1,2,3,4, and then find the nth Maclaurin polynomials for the function in sigma notation.
Enter the Maclaurin polynomials below for 5/1+x
P0(x), P1(x), P2(x), P3(x), P4(x)?
Pn(x)=

Answers

The Maclaurin polynomials of orders n=0, 1, 2, 3, and 4 for the function 5/(1+x) are P0(x) = 5, P1(x) = 5 - 5x, P2(x) = 5 - 5x + 5x^2, P3(x) = 5 - 5x + 5x^2 - 5x^3, and P4(x) = 5 - 5x + 5x^2 - 5x^3 + 5x^4, respectively.

The Maclaurin polynomials are a way to approximate a function using a polynomial expansion centered at x = 0. The Maclaurin polynomial of order n for a function f(x) is given by Pn(x) = f(0) + f'(0)x + (f''(0)/2!)x^2 + (f'''(0)/3!)x^3 + ... + (f^n(0)/n!)x^n, where f'(0), f''(0), f'''(0), ..., f^n(0) are the derivatives of f(x) evaluated at x = 0.

In this case, the given function is f(x) = 5/(1+x). To find the Maclaurin polynomials of orders n=0, 1, 2, 3, and 4, we evaluate the function and its derivatives at x = 0 and substitute them into the general formula for the Maclaurin polynomials.

For n=0, P0(x) = 5, as f(0) = 5.

For n=1, P1(x) = 5 - 5x, as f(0) = 5 and f'(0) = -5.

For n=2, P2(x) = 5 - 5x + 5x^2, as f(0) = 5, f'(0) = -5, and f''(0) = 10.

For n=3, P3(x) = 5 - 5x + 5x^2 - 5x^3, as f(0) = 5, f'(0) = -5, f''(0) = 10, and f'''(0) = -30.

For n=4, P4(x) = 5 - 5x + 5x^2 - 5x^3 + 5x^4, as f(0) = 5, f'(0) = -5, f''(0) = 10, f'''(0) = -30, and f^4(0) = 120.

These Maclaurin polynomials provide polynomial approximations of the given function 5/(1+x) for different orders. The higher the order (n), the more terms are included in the polynomial expansion, resulting in a more accurate approximation of the original function around x = 0.

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what is the product of 9+10

Answers

Answer:

19

Step-by-step explanation:

Umm just add I guess

Answer:

19

Step-by-step explanation:

because if you draw nine sticks then add 10 sticks and count them all at the end you will have 19 sticks

A coin is tossed four times. What is the probability of getting tails four times in a row?

Answers

Answer:

11/16

Step-by-step explanation:

P(TTHH) = 4C2*(1/2)^4 = 4!/2!*2!*(1/2)^4=6/16  

Total Probablity = 1/16 + 4/16 + 6/16

=11/16

On Monday, snow fell at a rate of 2.8 inches per hour.
Write an equation to show the relationship between the number of hours, h, and Monday's total snowfall, s.

Answers

Answer:

s = 2.8h

Step-by-step explanation:

Answer:

s = 2.8h

Step-by-step explanation:

2.8 inches of snow : 1 hour

Total snowfall = 2.8 × number of hours

2.8 × h = s

2.8h = s

What is 8 11/12 + 9 5/18

Answers

Step-by-step explanation:

The picture is the full explanation for this question answer.

What is 8 11/12 + 9 5/18
What is 8 11/12 + 9 5/18

18.19 is the solution for the given improper function.

What are mathematical operations?

The term "operation" in mathematics refers to the process of computing a value utilizing operands and a math operator. For the specified operands or integers, the math operator's symbol has predetermined rules that must be followed. In mathematics, there are five basic operations: addition, subtraction, multiplication, division, and modular forms.

To add 8 11/12 and 9 5/18, we need to first find a common denominator. The smallest number that both 12 and 18 divide evenly is 36.

Converting 8 11/12 to an improper fraction:

8 11/12 = (8 × 12 + 11) / 12 = 107/12

Converting 9 5/18 to an improper fraction:

9 5/18 = (9 × 18 + 5) / 18 = 167/18

Now that we have a common denominator of 36, we can add the two fractions:

107/12 + 167/18 = (107 × 3) / (12 × 3) + (167 × 2) / (18 × 2)

= 321/36 + 334/36 = 655/36

So 8 11/12 + 9 5/18 = 655/36 or approximately 18.19.

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What conditions should you check to make sure that your linear model is reasonable? Select all that apply. A. Quantitative Variables Condition B. Straight Enough Condition C. Does the Plot Thicken? Condition ID. D. Outlier Condition

Answers

The conditions that should be checked to make sure that your linear model is reasonable are: Quantitative Variables Condition, Straight Enough Condition, Outlier Condition.
A. Quantitative Variables Condition: This condition requires that both the explanatory and response variables be quantitative, so that the relationship between them can be modeled with a straight line.
B. Straight Enough Condition: This condition requires that the relationship between the two variables be approximately linear, so that the linear model is a good fit for the data.
D. Outlier Condition: This condition requires that there are no outliers in the data that can significantly affect the linear model.
The "Does the Plot Thicken?" condition is not a valid condition for checking the reasonableness of a linear model.https://brainly.com/question/29665935

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4.3. Sihle is now twice as old as her daughter Zinhle. Ten years ago she was three times older than her daughter. Determine their current ages. ​

Answers

Answer:

Sihle is 40 and Zinhle is 20

-----------------------

Let the current ages be x and y.

As per given information we can set up two equations:

1) x = 2y, Sihle is now twice as old as her daughter Zinhle2) x - 10 = 3(y - 10), 10 years ago she was 3 times older

Substitute 2y for x into second equation and solve for y:

2y - 10 = 3y - 303y - 2y = 30 - 10y = 20

Find the value of x:

x = 2*20 = 40

R^2-59R-82r^2+60 is equivalent to

Answers

Answer: 83r^2 - 59 + 60

Step-by-step explanation:

R^2 - 59R - 82r^2 + 60

= 83r^2 - 59 + 60

Math question 10 points!!!

Math question 10 points!!!

Answers

Base = 5cm
Good Luck

the illumination due to a source of light varies directly as the strength of the source and inversely as the square of the distance from the source. two sources are 6 meters apart and one of them is 8 times stronger than the other. at what distance from the weaker source on the line segment joining them is the illumination the least

Answers

Answer:

Point is at x = 4 m

Step-by-step explanation:

From the question, we can write the formula for intensity as;

I = strength/distance²

Now,

- Let x be the position from the stronger source

- Let k be the strength of the weaker light source

- 8k will be the strength of the stronger light source.

We are told that the two sources are 6 meters apart and one of them is 8 times stronger than the other.

Thus, the total illumination is;

I(x) = (8k/x²) + k/(6 - x)²

Using chain rule to get the critical points, let's find the first derivative and equate to zero;

I'(x) = -16k/x³ + 2k/(6 - x)³ = 0

Adding -16k/x³ to both sides, we have;

2k/(6 - x)³ = 16k/x³

Cross multiply to get;

2kx³ = 16k(6 - x)³

Dividing both sides by 16k to give;

x³/8 = (6 - x)³

Taking cube root of both sides to give;

x/2 = 6 - x

Multiply both sides by 2 to give;

x = 12 - 2x

x + 2x = 12

3x = 12

x = 12/3

x = 4 m

given a nonhomogeneous system of linear equa- tions, if the system is underdetermined, what are the possibilities as to the number of solutions?

Answers

If a nonhomogeneous system of linear equations is underdetermined, it can have either infinitely many solutions or no solutions.

A nonhomogeneous system of linear equations is represented by the equation Ax = b, where A is the coefficient matrix, x is the vector of unknowns, and b is the vector of constants. When the system is underdetermined, it means that there are more unknown variables than equations, resulting in an infinite number of possible solutions. In this case, there are infinitely many ways to assign values to the free variables, which leads to different solutions.

To determine if the system has a solution or infinitely many solutions, we can use techniques such as row reduction or matrix methods like the inverse or pseudoinverse. If the coefficient matrix A is full rank (i.e., all its rows are linearly independent), and the augmented matrix [A | b] also has full rank, then the system has a unique solution. However, if the rank of A is less than the rank of [A | b], the system is underdetermined and can have infinitely many solutions. This occurs when there are redundant equations or when the equations are dependent on each other, allowing for multiple valid solutions.

On the other hand, it is also possible for an underdetermined system to have no solutions. This happens when the equations are inconsistent or contradictory, leading to an impossibility of finding a solution that satisfies all the equations simultaneously. Inconsistent equations can arise when there is a contradiction between the constraints imposed by different equations, resulting in an empty solution set.

In summary, when a nonhomogeneous system of linear equations is underdetermined, it can have infinitely many solutions or no solutions at all, depending on the relationship between the equations and the number of unknowns.

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Simplify the expression 54a8b2/6а-4b5

Answers

Answer: 27a8b2/3a-2b5

Step-by-step explanation:

if 33 laptops cost 30,000, what proportion could be used to determine the cost of 11 laptops?

Answers

Answer:

30,00 divided by 33= 909.09 times 11=9,999.99  hope it helps you

Step-by-step explanation:

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